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Electronics arrived - assembly

Posted by ARHEXA on March 27, 2011 at 11:30pm

Finally got my 'Tronics from the store

Up to the assembly work !

 

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The boring work completed after a couple of minutes:

 

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Soldering the magnetometer:

 

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Had to solder the GPS to the header because the store didn't have the GPS cable

GND to GND, 5v to VCC,

TX on the APM to GPS IN

RX on the APM to GPS OUT

 

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connecting...

that makes a nice sandwich !

 

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and...

checking the reading....

SUCCESS !

 

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Only the GPS is not outputting data...

I've checked in the terminal sending "S" during flight mode, but all the numbers in the end are 0.0000

the led on the GPS is constantly on after certain time... dont know what this means.

maybe it doesn't get enough satellites from my window ?

 

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Comments

  • ARHEXA March 29, 2011 at 10:49am
    It's on the configurator, just select 'raw sensor data'
  • Rebel K March 29, 2011 at 9:23am
    @ AR 

    Could you please tell me how you've got those graphs (Outputs), that show the Roll, Pitch and Yaw.

    Thanks !
  • ARHEXA March 29, 2011 at 4:29am
    solved by sending '4' instead of 'S'
  • Kirill March 29, 2011 at 3:47am

    I had the same problem. I got only ............................ symbols and not any more.

    I solved this problem by changing "GPS_PROTOCOL_MTK" with "GPS_PROTOCOL_MTK16" in apm_config.h.

    My gps works even in the house not far from the window - about 4-5 meters.

  • ARHEXA March 28, 2011 at 1:08am

    I've just spotted that "0.7071" appearing in the command terminal is part of the exact latitude i'm at.

    but no signs for pars of the longitude (should be 34,50,13)

  • ARHEXA March 28, 2011 at 12:32am

    ok

    now this give me

    i cant find the coordinated (it should be 32....,34....)

    #################### GPS LED BLINKING ###############################

    0,3,0,-1,0,8,29,0,1040,1040,1040,1040,-29,39,421,1.4329,0.1375,0.9905,65,201,-363
    0,3,0,-1,0,10,29,0,1040,1040,1040,1040,-29,41,420,1.5552,0.0156,0.9999,43,204,-374
    0,2,0,-1,0,11,28,0,1040,1040,1040,1040,-29,41,421,1.4924,0.0783,0.9969,54,186,-381
    0,3,0,-1,0,11,28,0,1040,1040,1040,1040,-29,41,422,1.5049,0.0659,0.9978,50,183,-365
    0,3,0,-1,0,12,28,0,1040,1040,1040,1040,-30,41,422,1.4327,0.1377,0.9905,63,202,-349

    #################### GPS LED CONSTANTLY ON ###################

    0,2,1,0,0,-25,119,0,1040,1040,1040,1040,31,297,324,-0.7893,0.7044,-0.7098,329,-336,188
    0,2,1,-2,0,-25,119,0,1040,1040,1040,1040,32,298,324,-0.7810,0.7102,-0.7040,321,-327,192
    0,2,2,-2,0,-25,119,0,1040,1040,1040,1040,31,297,325,-0.7696,0.7182,-0.6958,335,-316,168
    0,1,1,-1,0,-25,119,0,1040,1040,1040,1040,31,297,325,-0.7855,0.7071,-0.7072,329,-321,166

  • ARHEXA March 27, 2011 at 11:52pm

    OK,

    I'm going here http://code.google.com/p/ardupirates/downloads/list

    what should i download ?

    and to i just put it in the arduino sketch dir and upload it like the RC2 ?

  • 3D Robotics
    Chris Anderson March 27, 2011 at 11:47pm
    No, don't use RC2.  Use the ArduPirates code instead and select MTK16 as your GPS.
  • ARHEXA March 27, 2011 at 11:45pm

    I've read somewhere that some codes are not compatible with some versions of the GPS...

    the GPS says MEDIATEK-V12. i'm using the RC2 code - are they good friend ?

    does it need some special config in the code to turn the GPS on ?

  • 3D Robotics
    Chris Anderson March 27, 2011 at 11:36pm
    Yes, it's hard to get GPS lock inside
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